Rename environment variable for OpenAI API key in README file and source code

README.md

@@ -17,7 +17,7 @@
 Install the CLI then grab your [OpenAI key](https://openai.com/api/) and add it as an env variable with the two commands below.
 
 1. `npm install -g aicommits`
-2. `export OPENAI_API_KEY=sk-xxxxxxxxxxxxxxxx`
+2. `export OPENAI_KEY=sk-xxxxxxxxxxxxxxxx`
 
 It's recommended to add the line in #2 to your `.zshrc` or `.bashrc` so it persists instead of having to define it in each terminal session.
 
@@ -44,6 +44,7 @@ The next version of the CLI, version 2, will address both of these limitations a
 - Add support for conventional commits as a flag that users can enable
 - Add support for diffs greater than 200 lines by grabbing the diff per file
 - Add support for a flag that can auto-accept
-- Add opt-in emoji and languages flags
 - Add ability to specify a commit message from inside aicommit
+- Add opt-in emoji flag
+- Add opt-in languages flag
 - Build landing page for the 2.0 launch